Guillermo Name Meaning, Origin & Gender

Guillermo Name at a Glance

Name	Guillermo
Meaning	Variant of William 'Resolute protector.'.
Origin	Spanish
Gender	Boy

What Does the Name Guillermo Mean?

According to the information recorded in our baby name database, Guillermo means “Variant of William 'Resolute protector”. Name meanings can vary between languages, regions and naming traditions, so families may also wish to confirm a meaning within the cultural or linguistic context that matters to them.

Guillermo Name Origin

Our database records Guillermo under Spanish origin. Browse more Spanish baby names to compare other names in the same origin collection.

Is Guillermo a Boy or Girl Name?

In our database, Guillermo is listed as a boy name. Usage can differ across countries, languages and families.

Choosing the Name Guillermo

When considering Guillermo for a baby, you may want to compare its recorded meaning and origin with family traditions, pronunciation, spelling, initials, middle names and how the full name sounds with the family name.